package com.westdream.filter.charset;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class CharsetFilter implements Filter {

	private static final long serialVersionUID = -3476217771259063866L;

	private String charset = "utf-8";
	
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding(charset);
		request.setCharacterEncoding(charset);
		chain.doFilter(request, response);
	}

	public void init(FilterConfig config) throws ServletException {
		if(config.getInitParameter("charset") != null) {
			charset = config.getInitParameter("charset");
		}
	}

	public void destroy() {
		
	}

}
